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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $28,729

    MSRP $29,130

    Est. $499/mo

    Jim Butler Kia

    4.7
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    Chesterfield, MO (4 mi)
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  • Sparkling Yellow 2026 Kia K4 GT-LineSparkling Yellow 2026 Kia K4 GT-LineSparkling Yellow 2026 Kia K4 GT-LineSparkling Yellow 2026 Kia K4 GT-LineSparkling Yellow 2026 Kia K4 GT-LineSparkling Yellow 2026 Kia K4 GT-Line

    $29,329

    MSRP $29,730

    Est. $510/mo

    Jim Butler Kia

    4.7
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    Chesterfield, MO (4 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $26,252

    Est. $456/mo

    Suntrup Kia South

    4.8
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    St. Louis, MO (22 mi)
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  • Morning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-Line

    $26,085

    MSRP $26,735

    Est. $453/mo

    Lou Fusz Kia

    4.6
    Check Availability
    St. Louis, MO (15 mi)
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  • Steel 2026 Kia K4 GT-LineSteel 2026 Kia K4 GT-LineSteel 2026 Kia K4 GT-LineSteel 2026 Kia K4 GT-LineSteel 2026 Kia K4 GT-LineSteel 2026 Kia K4 GT-Line

    $26,339

    Est. $458/mo

    Suntrup Kia South

    4.8
    Check Availability
    St. Louis, MO (22 mi)
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  • Morning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-Line

    $28,185

    MSRP $28,835

    Est. $490/mo

    Lou Fusz Kia

    4.6
    Check Availability
    St. Louis, MO (15 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-Line

    $27,380

    MSRP $28,030

    Est. $476/mo

    Lou Fusz Kia

    4.6
    Check Availability
    St. Louis, MO (15 mi)
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  • Interstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-Line

    $27,878

    MSRP $28,835

    Est. $485/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Steel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-Line

    $26,702

    MSRP $27,635

    Est. $464/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Interstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-LineInterstellar Gray 2026 Kia K4 GT-Line

    $26,702

    MSRP $27,635

    Est. $464/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-Line

    $26,987

    MSRP $27,925

    Est. $469/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Gray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-LineGray 2026 Kia K4 GT-Line

    $26,702

    MSRP $27,635

    Est. $464/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • White Pearl 2026 Kia K4 GT-LineWhite Pearl 2026 Kia K4 GT-LineWhite Pearl 2026 Kia K4 GT-LineWhite Pearl 2026 Kia K4 GT-LineWhite Pearl 2026 Kia K4 GT-LineWhite Pearl 2026 Kia K4 GT-Line

    $27,379

    MSRP $28,325

    Est. $476/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $25,257

    Est. $439/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (8 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $26,337

    Est. $458/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (8 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $26,991

    MSRP $27,930

    Est. $469/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Aurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-LineAurora Black Pearl 2026 Kia K4 GT-Line

    $27,590

    MSRP $28,835

    Est. $480/mo

    HW Kia of West County

    2.3
    Check Availability
    Ballwin, MO (13 mi)
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  • Morning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-LineMorning Haze 2026 Kia K4 GT-Line

    $26,985

    MSRP $27,635

    Est. $469/mo

    Lou Fusz Kia

    4.6
    Check Availability
    St. Louis, MO (15 mi)
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  • Aurora Black 2026 Kia K4 GT-LineAurora Black 2026 Kia K4 GT-LineAurora Black 2026 Kia K4 GT-LineAurora Black 2026 Kia K4 GT-LineAurora Black 2026 Kia K4 GT-LineAurora Black 2026 Kia K4 GT-Line

    $25,257

    Est. $439/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (8 mi)
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  • Currant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-LineCurrant Red 2026 Kia K4 GT-Line

    $27,849

    Est. $484/mo

    Suntrup Kia South

    4.8
    Check Availability
    St. Louis, MO (22 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-Line

    $25,613

    Est. $445/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (8 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-Line

    $26,828

    Est. $466/mo

    Suntrup Kia South

    4.8
    Check Availability
    St. Louis, MO (22 mi)
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  • Snow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-LineSnow White Pearl 2026 Kia K4 GT-Line

    $29,124

    MSRP $29,525

    Est. $506/mo

    Jim Butler Kia

    4.7
    Check Availability
    Chesterfield, MO (4 mi)
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  • Steel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-LineSteel Gray 2026 Kia K4 GT-Line

    $24,182

    Est. $420/mo

    Napleton's Mid Rivers Kia

    3.8
    Check Availability
    Saint Peters, MO (8 mi)
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About the 2026 Kia K4 GT-Line

Basics

GT-Line shown.

Seating
5
Door count
4
Drivetrain
Front Wheel Drive
Combined MPG
33
Transmission
CVT Transmission
Engine
147.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 Kia K4 GT-Line
FAQs

How much does the 2026 Kia K4 GT-Line cost?

The 2026 Kia K4 GT-Line price depends on optional features. Prices typically start at $25,490.

What is the MPG of the 2026 Kia K4 GT-Line?

The 2026 Kia K4 GT-Line offers up to 29 MPG in city driving and 39 MPG on the highway for a combined rating of 33 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 Kia K4 GT-Line?

The 2026 Kia K4 GT-Line compares to and/or competes against the following vehicles:


Is the 2026 Kia K4 GT-Line reliable?

The 2026 Kia K4 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 K4 owners.

Ratings (3 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
5.0
Interior
5.0
Performance
5.0
Value
5.0
Exterior
5.0
Reliability
5.0
Trims

GT-Line (2 styles)

Style
GT-Line Sedan GT-Line Hatchback
Inventory price
Starting at $25,490 Starting at $25,990
Combined MPG
33 0
Engine
147.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel) 147.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel)
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2026 Kia K4 GT-Line by city

Kia K4 trims